The following information (Health Effects, Handling/Disposal, and Ingredients) is taken from the product label and/or the Material Safety Data Sheet (MSDS) prepared by the manufacturer. The National Library of Medicine does not test products nor does it evaluate information from the product label or the MSDS. (What is an MSDS?)

From MSDS
SUMMARY OF ACUTE HAZARDS: Irritation to respiratory system from fumes evolved during soldering. Eye contact may cause intense irritation and injury.

INHALATION: Irritation to respiratory system from fumes evolved during soldering.
EYE CONTACT: Contact may cause intense irritation and injury.
SKIN CONTACT: May cause skin irritation.
INGESTION: Chemical burns to digestive system and mucosal surface. May be fatal.

From MSDS
Short term effects to liver and kidneys can occur. Chemical irritation from continued skin contact can occur. Continuous industrial use in small unventilated areas may result in sufficient inhalation of solder and flux fumes to cause lung damage and irritation of respiratory tract.

Carcinogenicity:

From MSDS
The ingredients in this product are not identified as carcinogens by NTP, IARC and OSHA.

First Aid:

From MSDS
INHALATION: If overcome by exposure, remove victim to fresh air immediately. Give oxygen or artificial respiration as needed. Obtain emergency medical attention. Prompt action is essential.
EYE CONTACT: Immediately flush with large amounts of water for at least 15 minutes. Get prompt medical attention.
SKIN CONTACT: Immediately flush with large amounts of water; use soap if available. Remove contaminated clothing.
INGESTION: If swallowed, call a physician immediately. Only induce vomiting at the instruction of a physician. Never give anything by mouth to an unconscious person.

From MSDS
PRECAUTIONS TO BE TAKEN IN HANDLING AND STORING
Keep container closed and upright when not in use. Store flux at ambient conditions, keep under extremely dry and controlled conditions. Wash thoroughly after handling to remove all residue.
OTHER PRECAUTIONS: Avoid prolonged or repeated contact with skin or clothing. Empty containers may contain residues and vapors; treat as if full and observe all products precautions. Do not breathe soldering fumes. Do not reuse empty containers. Keep out of reach of children.

Disposal:

From MSDS
Dispose of material in accordance with all local, state, and federal regulations.